Home / 1,875,376.80-2,812,773.60-527,407.20

Finding the Fourth Proportional to 1,875,376.80, 2,812,773.60 and 527,407.20

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Solution

The fourth proportional to 1,875,376.80, 2,812,773.60 and 527,407.20 is: 791,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,376.80 : 2,812,773.60 = 527,407.20 : x
  2. Step 2: Convert to fraction form
    1,875,376.80/2,812,773.60 = 527,407.20/x
  3. Step 3: Cross multiply
    1,875,376.80x = 2,812,773.60 × 527,407.20
  4. Step 4: Simplify right side
    1,875,376.80x = 1,483,477,048,609.92
  5. Step 5: Solve for x
    x = 1,483,477,048,609.92/1,875,376.80
  6. Step 6: Final answer
    x = 791,028.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.